The open state of the manhole cover has potential safety hazards, which are easy to cause accidents and need to be given certain warnings. This red and blue flash warning manhole cover gives warning tips at a long distance to avoid accidents. The built-in flash chip of the manhole cover is used to realize the alternation of red and blue lights, and the red and blue flash switch is activated by pressure sensing, and the information that the manhole cover is opened is transmitted to the control center; the design can well protect the safety of pedestrians, repairmen and drivers.
志文
China · Home Appliance
张磊
Digital Intelligence
番一个茄
冒冒
China · Other Industries
子秋
Home Appliance
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Too practical
Good.
This design should be promoted